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Thread: Going the right way?

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    Going the right way?

    Due to work schedule I have left the pool at shock level (or very close to) for this week.
    Today I was able to run the overnite drop test. Here are the numbers
    fc-21
    cc-0
    I had added 1.5 qts of liquid chlorine,12.5%, 2 hours before testing.
    This morning before the sun rose I got some test water and ran test again. Here are the numnbers..
    fc-19.5
    cc-0
    cc has been at 0 for the last 3 days.
    ph- 8.2+ (from taylor kit)
    ta-110
    cya-70

    The pool looks great! Water crystal clear and "sparklie". Wife commented on how clear and good the water is looking. I need some directions on where to go from here. I'm thinking I need to let the chlorine level drift down to 10 (i'd like to stay at the upper level suggested by pool calculator) and get the ph down to the 7.2--7.5 range. Is this the right direction to be heading?
    I have been running my pump 24/7 since opening. Is there any advantages of continuing this or is it just as good to put it on a timed run?
    21000 Gallons I/G,,Vinyl,, 1.5 H.P. Hayward Pump,, Hayward Sand Filter S244T.. Liquidator.

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    JasonLion's Avatar
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    May 2007
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    Silver Spring, MD
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    Re: Going the right way?

    You lost more than 1.0 ppm of chlorine overnight, so you are very very close, but not quite done shocking. I suggest throughly brushing the entire pool and continuing at shock level till overnight loss is 1.0 or less.

    Ignore the PH reading when FC is that high.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

  3. Back To Top    #3

    Re: Going the right way?

    Quote Originally Posted by JasonLion
    You lost more than 1.0 ppm of chlorine overnight, so you are very very close, but not quite done shocking. I suggest throughly brushing the entire pool and continuing at shock level till overnight loss is 1.0 or less.

    Ignore the PH reading when FC is that high.
    Finished brushing the pool and checking chlorine.
    fc--20
    cc--0
    would I be safe to try an overnite test tonight and in the morning or wait until
    sunday night and test then get some water early monday morning and store it in a dark area until I can test monday after work?? Many thanks for the assistance!!
    21000 Gallons I/G,,Vinyl,, 1.5 H.P. Hayward Pump,, Hayward Sand Filter S244T.. Liquidator.

  4. Back To Top    #4

    Re: Going the right way?

    Test tonight if you can get a sample of water in the morning and test it right there. It takes but a min to test your FC and CC levels.
    coloeb,
    20k gal. IG fiberglass/plaster rectangle 32'x16'
    Hayward Superpump 3/4 H.P. primary Hayward model 5060 Booster Pump
    Hayward Pro Series High Rate Sand Filter
    Pentair Model 320 automatic Chlorine/bromine in-line feeder

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    Re: Going the right way?

    Quote Originally Posted by coloeb
    Test tonight if you can get a sample of water in the morning and test it right there. It takes but a min to test your FC and CC levels.
    will do,, I wasn't sure if I should wait longer or not.. Thanks!
    21000 Gallons I/G,,Vinyl,, 1.5 H.P. Hayward Pump,, Hayward Sand Filter S244T.. Liquidator.

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